<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <div class="box1">
    </div>
    <div class="box2"></div>

</body>
<style>
    .box1 {
        width: 200px;
        height: 200px;
        background: paleturquoise;
    }

    .box2 {
        width: 100px;
        height: 100px;
        background-color: yellow;
        margin-top: 30px;
    }
</style>

</html>